Home / 40,823.76-61,191.96-21,097.04

Finding the Fourth Proportional to 40,823.76, 61,191.96 and 21,097.04

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Solution

The fourth proportional to 40,823.76, 61,191.96 and 21,097.04 is: 31,622.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,823.76 : 61,191.96 = 21,097.04 : x
  2. Step 2: Convert to fraction form
    40,823.76/61,191.96 = 21,097.04/x
  3. Step 3: Cross multiply
    40,823.76x = 61,191.96 × 21,097.04
  4. Step 4: Simplify right side
    40,823.76x = 1,290,969,227.80
  5. Step 5: Solve for x
    x = 1,290,969,227.80/40,823.76
  6. Step 6: Final answer
    x = 31,622.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.